The drain-source voltage (Fig. 28) starts oscillating at the end of the flyback phase and reaching the minimum of 100V when the MOSFET turns on.The turning on current spike is low.

• 漏源极电压(图28)在反射过程结束后并减小到100伏特时场效应晶体管导通.；开通电流尖刺比较低